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34A5: THE 'IN' FUNCTION (offset +2C)
The address of this routine is found in the table of addresses. It is called indirectly via fp_calc_2.
This subroutine handles the function IN X. It inputs at processor level from port X, loading BC with X and performing the instruction 'IN A,(C)'.
Input
Output
f_in 34A5 CALL FIND_INT2 The 'last value', X, is compressed into BC.
34A8 IN A,(C) The signal is received.
34AA JR IN_PK_STK Jump to stack the result.
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